**Urgent**[Polygon] - Upgrade to Heimdal v0.5.6, Erigon v3.3.7 and Bor v2.5.7

Scheduled Maintenance Report for Blockdaemon

Completed

The scheduled maintenance has been completed.
Posted Jan 13, 2026 - 22:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jan 13, 2026 - 20:00 UTC

Scheduled

Blockdaemon will update Polygon mainnet nodes to Heimdall v0.5.6, Erigon v3.3.7 and Bor v2.5.7 on 1/13/2026. We are updating our nodes due to a critical release from the Polygon foundation. This update applies to all Blockdaemon Polygon nodes, there may be up to 10 minutes of downtime across our Polygon nodes.

We have tested the release and do not anticipate any unexpected downtime other than mentioned above as a result of the update. If you have any questions or concerns please reach out to your Technical Account Manager.

If you want additional information please review the release notes here:
https://github.com/0xPolygon/heimdall-v2/releases/tag/v0.5.6
https://github.com/0xPolygon/bor/releases/tag/v2.5.7
https://github.com/0xPolygon/erigon/releases/tag/v3.3.7
Posted Jan 13, 2026 - 19:11 UTC
This scheduled maintenance affected: Blockdaemon RPC API (Polygon Native API), Blockdaemon Validators (Polygon Validator), and Protocols (Dedicated Nodes) (Polygon).
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